#include <stdio.h>
int main()
{
    float float_1=11.27,float_2=11.12345678910;
    printf("float_1:%f\nfloat_2:%f\n",float_1,float_2);
    double double_1=11.12345678910;
    printf("float_2:%.10lf\ndouble_1:%.10lf\n",float_2,double_1);
    return 0;
}